CN102542770A - Non-contact measurement signal transmission system and method thereof - Google Patents
Non-contact measurement signal transmission system and method thereof Download PDFInfo
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- CN102542770A CN102542770A CN2010106119088A CN201010611908A CN102542770A CN 102542770 A CN102542770 A CN 102542770A CN 2010106119088 A CN2010106119088 A CN 2010106119088A CN 201010611908 A CN201010611908 A CN 201010611908A CN 102542770 A CN102542770 A CN 102542770A
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- 238000005259 measurement Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title abstract description 9
- 230000008054 signal transmission Effects 0.000 title abstract 2
- 230000008878 coupling Effects 0.000 claims abstract description 56
- 238000010168 coupling process Methods 0.000 claims abstract description 56
- 238000005859 coupling reaction Methods 0.000 claims abstract description 56
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 238000012546 transfer Methods 0.000 claims description 25
- 230000008859 change Effects 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 238000000691 measurement method Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 11
- 230000004044 response Effects 0.000 description 9
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- 230000005540 biological transmission Effects 0.000 description 5
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- 229910052799 carbon Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
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Abstract
A non-contact measurement signal transmission system and a method thereof are provided, the system comprises a detection device, a magnetic coupling device and a pressure sensing device. The detection device is arranged on the body of the wheel vehicle device and is used for generating an alternating current signal. The magnetic coupling device comprises a first primary side and a first secondary side, wherein the first secondary side receives an alternating current signal and sends out a magnetic coupling signal from the first primary side. The pressure sensing device arranged on the rotator receives the magnetic coupling signal and comprises a stress part and a base. The pressure sensing device generates a return signal according to the relative displacement between the stress part and the base after receiving the press of the user. The detection device outputs a stress signal according to the return signal.
Description
Technical field
The present invention relates to a kind of measuring-signal transfer system and method, particularly a kind of be applied to take turns the body of car device and turn between non-contact measurement signal transfer system and method.
Background technology
Along with prevailing of carbon reduction and the happy general mood of living, bring up the flourish of bicycle industry.Wherein, in order to increase the convenience that daily life is used, the electric bicycle with electric-powered backup system also little by little becomes main flow.
Electric-powered backup system can be divided into the system of passive form and the system of active form again.Passive formal system is the instruction that directly receives the rider, and corresponding and bicycle power is provided.The system of active form then is the element according to additional detections, goes to measure the strength that the rider bestows on the bicycle pedal, and needed auxiliary strength is provided.
Yet the strength of bestowing on the bicycle pedal is after being converted into signal, if this signal will send the circuit on the vehicle frame to, need pass through minimum two surfacess of revolution (surfaces of revolution between the surfaces of revolution between pedal and the bent axle and bent axle and the vehicle frame).Can to transmit electric signal in order letting smoothly between the surfaces of revolution, then brush need to be set on the surfaces of revolution.Such design must be revised the fluted disc of bicycle, so will make bicycle structurally become more complicated.
On the other hand, also propose traditionally to utilize wireless mode to transmit, such as use bluetooth transmission means.Yet the cost of radio transmitter and receiving trap is far above wired transmission mode, and wireless transmission also is easier to receive other interference of noise.
Therefore, no matter be to utilize brush or wireless transmission mode to transmit signal, all there is its shortcoming to exist.
Summary of the invention
In view of above problem, the present invention proposes a kind of non-contact measurement signal transfer system.This non-contact measurement signal transfer system is used for taking turns the car device, and wheel car device comprises that a body and turns.The non-contact type signal transfer system comprises pick-up unit, first magnetic coupling device and pressure-sensing device.
Pick-up unit is arranged at body.Pick-up unit produces an AC signal.
First magnetic coupling device comprises first primary side and first primary side.First secondary side is received this AC signal and is sent the magnetic coupled signal from first primary side.
Pressure-sensing device is arranged at turns.Pressure-sensing device electrically connects first primary side, and receives the magnetic coupled signal.Pressure-sensing device comprises forced section and pedestal.Pressure-sensing device produces return path signal to the first primary side according to the relative position of forced section and pedestal.Pick-up unit receives force signal according to exporting via the return path signal of first magnetic coupling device passback.
In addition, the present invention proposes a kind of non-contact measurement method of communicating signals in addition.The method is used for taking turns the car device.Wheelwork comprises body and turns.Turning comprises pressure-sensing device, and body comprises pick-up unit.Body and turn between transmit signal through first magnetic coupling device with contactless mode.The method may further comprise the steps: produce an AC signal by this pick-up unit and give this magnetic coupling device; Convert AC signal into the magnetic coupled signal by first magnetic coupling device; Pressure-sensing device receives the magnetic coupled signal, and responds return path signal according to degree of displacement; Output receives force signal according to return path signal.
Through non-contact measurement signal transfer system and method proposed by the invention, via the surfaces of revolution, signal can contactless mode transmit.Therefore,, can transmit measuring-signal, utilize brush or wireless transmission mode to transmit the shortcoming that signal is produced to overcome known technology not needing significantly to change under the prerequisite of bicycle structure.
Description of drawings
Fig. 1 is the system block diagrams of first embodiment of the invention;
Fig. 2 A, Fig. 2 B and Fig. 2 C are the schematic appearance of pressure-sensing device of the present invention;
Fig. 3 is the schematic appearance of magnetic coupling device of the present invention;
Fig. 4 is the system block diagrams of second embodiment of the invention;
Fig. 5 A is the annexation equivalent circuit diagram of second embodiment of the invention;
Fig. 5 B is the circuit component equivalent circuit diagram of second embodiment of the invention;
Fig. 6 A is amplitude frequency response figure;
Fig. 6 B is phase-frequency response figure;
Fig. 7 is for using the synoptic diagram of the first embodiment of the present invention;
Fig. 8 A, Fig. 8 B are for using the synoptic diagram of the second embodiment of the present invention; And
Fig. 9 is a non-contact measurement method of communicating signals proposed by the invention.
[main element symbol description]
10 non-contact measurement signal transfer systems
12 take turns the car device
14 bodies
16 turn
20 pressure-sensing devices
22 variableimpedances
25 elastic components
26 forced sections
27 second magnetic conductive components
28 pedestals
29 first magnetic conductive components
291 air gaps
30 first magnetic coupling devices
32 first primary sides
34 first primary side
40 pick-up units
50 second magnetic coupling devices
52 second primary sides
54 second subprime sides
61 sashes
62 sashes
80 bicycles
82 vehicle frames
84 bent axles
86 pedals
90 wheelchairs
92 bodies
94 tires
96 hand-pushing wheels
Embodiment
Below in embodiment further explain detailed features of the present invention and advantage; Its content is enough to make those skilled in the art to understand technology contents of the present invention and implements according to this; And according to content, claims and the accompanying drawing of this instructions institute motion, those skilled in the art can understand purpose and the advantage that the present invention is correlated with easily.
Please with reference to Fig. 1, Fig. 1 is the circuit system calcspar of first embodiment of the invention.The present invention proposes a kind of non-contact measurement signal transfer system 10.This non-contact measurement signal transfer system 10 is used to take turns car device 12, and wheel car device 12 for example can be but is not limited to bicycle or wheelchair, and this takes turns the electric-powered backup system that car device 12 can have active form.Wheel car device 12 comprises body 14 and turns 16 (also can be described as mobile).Turning 16 is articulated in body 14, turns 16 can rotate with respect to body 14.
Non-contact measurement signal transfer system 10 comprises pressure-sensing device 20, first magnetic coupling device 30 and pick-up unit 40.
Pressure-sensing device 20 is arranged at turns on 16.The user can apply external force at this pressure-sensing device 20, so that electric-powered backup system is according to user's externally applied forces, correspondence provides auxiliary power.
First magnetic coupling device 30 comprises one first primary side 32 and one first primary side 34.First primary side 32 and first primary side 34 are with contactless mode magnetic coupling.First primary side 32 is electrically connected to pressure-sensing device 20, and first primary side 34 is electrically connected to pick-up unit 40.First primary side 34 receives AC signal and sends the magnetic coupled signal from first primary side 32.
Pick-up unit 40 is disposed at body 14 and produces an AC signal.AC signal can produce through oscillator.Pick-up unit 40 has a blocked impedance in addition.In the present embodiment, blocked impedance can be a resistance and a capacitances in series forms, but not as limit, this circuit structure holds the back explanation.
Please with reference to Fig. 2 A, Fig. 2 B and Fig. 2 C, Fig. 2 A, Fig. 2 B and Fig. 2 C are the schematic appearance of pressure-sensing device of the present invention.Pressure-sensing device 20 comprises forced section 26 and pedestal 28, and in the present embodiment, forced section 26 is a plate body.Be connected with a plurality of elastic components 25 between forced section 26 and the pedestal 28.Pedestal 28 is fixed in turns 16, and forced section 26 can receive external force and on a direction, moves freely.In the elastic limit of elastic component, the length variations amount of elastic component is directly proportional with the suffered power of elastic component.Therefore, the user puts on the external force on the forced section 26, can be proportional to the relative displacement of forced section 26.
Pressure-sensing device 20 also comprises variableimpedance 22, and this variableimpedance 22 can be variable inductance or variable capacitance.In this embodiment, variableimpedance 22 is an example with a variable inductance.Variableimpedance 22 comprises first magnetic conductive component 29 and second magnetic conductive component 27.First magnetic conductive component 29 is positioned at pedestal 28, and second magnetic conductive component 27 is positioned at forced section 26.First magnetic conductive component 29 has air gap 291, the second magnetic conductive components 27 and is provided with corresponding to the position of air gap 291.First magnetic conductive component 29 is a magnetic conduction space in air gap 291 parts.When second magnetic conductive component 27 is positioned at the magnetic conduction space, and the distance between first magnetic conductive component 29 and second magnetic conductive component 27 is during less than a spacing, and first magnetic conductive component 29 and second magnetic conductive component 27 can be formed a magnetic conductor.Change the size of magnetic conductor when second magnetic conductive component 27 moves, the size of magnetic conductor then can influence the height of magnetic flux.The height of magnetic flux can change the size of variableimpedance 22 resistance values.Therefore when forced section 26 produced displacement, second magnetic conductive component 27 also can move thereupon, and then changed variableimpedance 22 resistance values.Therefore, the resistance value of variableimpedance 22 (inductance value) promptly can change along with degree stressed on the forced section 26.
Please with reference to Fig. 3, Fig. 3 is the schematic appearance of magnetic coupling device.
First primary side 32 and first primary side 34 have conductor coils respectively, and these two conductor coils are each other corresponding and be provided with.These two magnetic conduction coils can be circular coil first magnetic coupling device 30, and to transmit the principle of electromagnetic signals similar with transformer, and the alternating current that first primary side 32 is passed through can produce the magnetic field of change.And the magnetic field of this change can produce induction electromotive force on first primary side 34, and in the loop that first primary side 34 is constituted, produces the magnetic coupled signal.
When producing when rotatablely moving with axis (or being called turning axle) between first primary side 32 and first primary side 34, conductor coils keeps a fixing magnetic coupling coefficient.That is to say that conductor coils can not cause the variation of magnetic circuit because first primary side 32 and first primary side 34 produce when rotatablely moving.Pick-up unit 40 can transmit the magnetic coupled signal to pressure-sensing device 20 through first magnetic coupling device 30.The magnetic coupled signal can produce a return path signal through behind the pressure-sensing device 20, the variation that takes place with the resistance value of responding pressure-sensing device 20.Pick-up unit 40 again according to return path signal in the change value on the amplitude or on the phase place, and detected pressures sensing apparatus 20 receives force signal with generation.The stressed degree of this stressed signal indication pressure-sensing device 20.Therefore, the stressed degree of pressure-sensing device 20 can be passed to pick-up unit 40 via a surfaces of revolution.
Please with reference to Fig. 4, Fig. 4 is the system block diagrams of second embodiment of the invention.In this embodiment, non-contact measurement signal transfer system 10 also comprises second magnetic coupling device 50.Second magnetic coupling device 50 is electrically connected between first magnetic coupling device 30 and the pick-up unit 40.Second magnetic coupling device 50 comprises second primary side 52 and second subprime side 54.Second primary side 52 electrically connects first primary side 34, and second subprime side 54 electrically connects pick-up unit 40.
In this embodiment, because this non-contact measurement signal transfer system 10 has two magnetic coupling devices (first magnetic coupling device 30 and second magnetic coupling device 50).Therefore the signal of non-contact measurement signal transfer system 10 can transmit with contactless mode via two surfacess of revolution.
Please with reference to Fig. 5 A and Fig. 5 B, Fig. 5 A is the annexation equivalent circuit diagram of second embodiment of the invention, and Fig. 5 B is the circuit component equivalent circuit diagram of second embodiment of the invention.
AC signal among Fig. 5 B is a sine wave, and its mathematical expression can V
In* cos (ω * t) expression.V wherein
InBe the amplitude of AC signal, ω is an angular frequency, the t express time.Variableimpedance 22 can equivalence be the equivalent circuit that resistance, inductance and electric capacity were in series with blocked impedance 44.Pick-up unit 40 can detect between electric capacity and the inductance voltage on the node as return path signal, also can detect between electric capacity and the resistance voltage on the node as return path signal.The mathematical expression of return path signal is then with V
Out* cos (ω * t+ θ) expression.V wherein
OutBe the amplitude of AC signal, Θ is a phase changing capacity.
Please with reference to Fig. 6 A and Fig. 6 B, Fig. 6 A is amplitude frequency response figure, and Fig. 6 B is phase-frequency response figure.
Fig. 6 A is that 10 Ω (ohm), electric capacity are that 0.1uF (farad) is the corresponding result of experiment gained with Fig. 6 B with resistance.Among Fig. 6 A and Fig. 6 B; Line segment 61a, 62a represent the pairing frequency response of 10mH (Henry); Line segment 61b, 62b represent the pairing frequency response of 20mH; Line segment 61c, 62c represent the pairing frequency response of 30mH, and line segment 61d, 62d represent the pairing frequency response of 40mH, and line segment 61e, 62e represent the pairing frequency response of 50mH.
In Fig. 6 A, Z-axis is represented amplitude, unit be decibel value (decibel, dB).Transverse axis is the logarithmic coordinate axle, and transverse axis representes frequency, and unit is KHz (kHz).Wherein, sash 61 represented zones are that amplitude can be resolved the district.Can resolve in the district at amplitude, pairing amplitude between each line segment, at a distance of one at interval.And the pairing amplitude of each line segment becomes positive correlation with resistance value.Therefore, pick-up unit 40 can produce the AC signal that amplitude can be resolved respective frequencies in the district, and detects its amplitude.Pick-up unit 40 can utilize look-up table again, and resistance value is searched in contrast according to amplitude, with the stressed degree of corresponding pressure sensing apparatus 20.
In Fig. 6 B, Z-axis is represented phase place, and unit is degree (degree).Transverse axis is the logarithmic coordinate axle, and transverse axis representes frequency, and unit is KHz (kHz).In Fig. 6 B, sash 62 represented zones are that phase place can be resolved the district.Can resolve in the district in phase place, pairing phase changing capacity between each line segment, at a distance of one at interval.And the pairing phase place of each line segment becomes positive correlation with resistance value.Therefore, pick-up unit 40 can produce the AC signal that phase place can be resolved respective frequencies in the district, and detects its amplitude.Pick-up unit 40 can utilize look-up table again, and capacitance is searched in contrast according to phase changing capacity, with the stressed degree of corresponding pressure sensing apparatus 20.
Please with reference to Fig. 7, for using the synoptic diagram of the first embodiment of the present invention.Non-contact measurement signal transfer system 10 proposed by the invention can be applicable to a bicycle 80.Bicycle 80 comprises vehicle frame 82, bent axle 84 and pedal 86.Pedal 86 is arranged at bent axle 84 with the mode that articulates, and bent axle 84 is arranged at vehicle frame 82 with the mode that articulates equally.Body 14 is arranged at vehicle frame 82, turns 16 and is arranged at pedal 86.
First primary side 32 is arranged at pedal 86, and first primary side 34 is arranged at bent axle 84, so can transmit signals through first magnetic coupling device 30 between pedal 86 and the bent axle 84.Second primary side 54 is arranged at bent axle 84, and second subprime side 56 is arranged at vehicle frame 82, so can transmit signals through second magnetic coupling device 50 between bent axle 84 and the vehicle frame 82.Has pressure-sensing device 20 on the pedal 86.But the power that pressure-sensing device 20 sensing riders trample is big or small, and the result who senses, and carries out the pick-up unit 40 on the vehicle frame 82 that is passed to of signal with contactless mode via first magnetic coupling device 30, second magnetic coupling device 50.Pick-up unit 40 can convert detected result to measuring-signal, and transmits measuring-signal again and give electric-powered backup system.Electric-powered backup system can be according to measuring-signal, and the power of the corresponding output of decision is given bicycle 80.
When applying the present invention to bicycle 80, only need be with pedal 86 setting pressure sensing apparatus 20, and add first magnetic coupling device 30 and second magnetic coupling device 50, the power that pedal 86 detections promptly capable of using are trampled in the articulated section.Therefore, do not need significantly to change body structure, the present invention can directly be integrated on the present existing bicycle 80.Even when pressure-sensing device 20 faults, also can not influence the performance that drives of bicycle 80.
Please with reference to Fig. 8 A and Fig. 8 B, Fig. 8 A and Fig. 8 B are for using the synoptic diagram of the second embodiment of the present invention.Non-contact measurement signal transfer system 10 proposed by the invention can be applicable to a wheelchair 90.Wheelchair 90 comprises body 92, tire 94 and hand-pushing wheel 96.
In one embodiment, 94 on tire is to be articulated in body 92, and hand-pushing wheel 96 is fixed in tire 94 with elastic body (not illustrating among the figure), for example is inboard or its axial region of tire 94.But user's application of force to hand-pushing wheel 96 advances to drive tire 94, and this moment is because elastomeric setting makes hand-pushing wheel 96 and tire 94 produce relative displacement.In elastomeric elastic limit, hand-pushing wheel 96 is directly proportional with the power that the user is executed with relative shift between the tire 94.Pressure-sensing device 20 is arranged on the hand-pushing wheel 96, through the relative displacement between hand-pushing wheel 96 and the tire 94, and the power of being executed with the sensing user.30 of first magnetic coupling devices can be arranged at the articulated section of body 92 and tire 94.40 of pick-up units are arranged on the body 92.
Pressure-sensing device 20 sensing users' thrust, and, sensing result is sent to pick-up unit 40 with contactless mode through first magnetic coupling device 30.Therefore, the power assist system of wheelchair 90 itself can produce corresponding power according to user's thrust.
Please, be non-contact measurement method of communicating signals proposed by the invention with reference to Fig. 9.This method is used for the described non-contact measurement signal transfer system 10 of Fig. 1.
In step S101, produce AC signal by pick-up unit 40.AC signal can be produced by oscillator.This AC signal can be transmitted again gives first magnetic coupling device 30.
In step S103,, convert AC signal into a magnetic coupled signal via first magnetic coupling device 30.First magnetic coupling device 30 is arranged at the surfaces of revolution, and can transmit signal by contactless mode.
In step S105, pressure-sensing device 20 receives the magnetic coupled signal, and responds a return path signal according to degree of displacement.The user can make the resistance value of the variableimpedance 22 in the pressure-sensing device 20 change, so that the amplitude of AC signal and phase place also change thereupon when bestowing external force to pressure-sensing device 20.The signal of flowing through variableimpedance 22 and exporting is return path signal.
In step S107, return path signal also can be passed to pick-up unit 40 via first magnetic coupling device 30.Pick-up unit 40 receives force signal according to the characteristic of return path signal with output.
In one embodiment of this invention, pick-up unit 40 is according to the gain of return path signal, and in a look-up table, looks for the pairing force signal that receives of this gain.And in one embodiment of this invention, pick-up unit 40 is according to the phase place of return path signal, and in a look-up table, looks for the pairing force signal that receives of this gain.Afterwards, 40 of pick-up units can be exported searching the resulting force signal that receives again.
In one embodiment of this invention, also comprise step S109.In step S109,, produce an auxiliary power and take turns the car device according to receiving force signal.
Claims (11)
1. a non-contact measurement signal transfer system is used for taking turns the car device, and this is taken turns the car device and comprises that a body and turns, and this is turned and rotates with respect to this body, and this non-contact type signal transfer system comprises:
One pick-up unit, this pick-up unit is arranged at this body, and this pick-up unit produces an AC signal;
One first magnetic coupling device comprises one first primary side and one first primary side, and this first secondary side is received this AC signal and sent a magnetic coupled signal from this first primary side; And
One pressure-sensing device; Being arranged at this turns; This pressure-sensing device electrically connects this first primary side, and receives this magnetic coupled signal, and this pressure-sensing device comprises a forced section and a pedestal; This pressure-sensing device produces a return path signal to this first primary side according to a relative position of this forced section and this pedestal, and this pick-up unit receives force signal according to exporting one via this return path signal of this first magnetic coupling device passback.
2. non-contact measurement signal transfer system as claimed in claim 1; Wherein this first primary side of this first magnetic coupling device and this first primary side have a conductor coils respectively; When producing when rotatablely moving with an axis between this first primary side and this first primary side, this conductor coils keeps a fixing magnetic coupling coefficient.
3. non-contact measurement signal transfer system as claimed in claim 1; Also comprise one second magnetic coupling device; This second magnetic coupling device is electrically connected between this first magnetic coupling device and this pick-up unit; This second magnetic coupling device comprises one second primary side and a second subprime side, and this second subprime side receives this AC signal from this pick-up unit, and transmits this AC signal to this first primary side via this second primary side.
4. non-contact measurement signal transfer system as claimed in claim 3, wherein this wheel car device is a bicycle, this bicycle comprises a vehicle frame, a bent axle and a pedal; This body is arranged at this vehicle frame; This is turned and is arranged at this pedal, and this pedal is articulated in this bent axle, and this bent axle is articulated in this vehicle frame; This pedal has this pressure-sensing device and this first primary side; This bent axle has this first primary side and this second primary side, and this vehicle frame has this second subprime side and this pick-up unit, and this pressure-sensing device is to receive force signal to be passed to this pick-up unit via this first magnetic coupling device and this second magnetic coupling device with contactless mode this.
5. non-contact measurement signal transfer system as claimed in claim 1; This pedestal comprises one first magnetic conductive component; This first primary side electrically connects this first magnetic conductive component; This forced section comprises one second magnetic conductive component, and this second magnetic conductive component changes the size of a magnetic conductor when moving, to change an inductance value of this first magnetic conductive component.
6. non-contact measurement signal transfer system as claimed in claim 1, wherein this pick-up unit changes according to the amplitude of this return path signal in a CF, receives force signal and export this.
7. non-contact measurement signal transfer system as claimed in claim 1, wherein this pick-up unit receives force signal according to the phase change of this return path signal in a CF and export this.
8. non-contact measurement method of communicating signals; Be used for taking turns the car device; This is taken turns the car device and comprises that a body and turns, and this is turned and comprises a pressure-sensing device, and this body comprises a pick-up unit; Have one first magnetic coupling device between this body and this are turned, this non-contact measurement method of communicating signals comprises:
Produce an AC signal by this pick-up unit and give this first magnetic coupling device;
Convert this AC signal into a magnetic coupled signal by this first magnetic coupling device;
This pressure-sensing device receives this magnetic coupled signal, and responds a return path signal according to a degree of displacement;
Transmit this return path signal to this pick-up unit by this first magnetic coupling device; And
This pick-up unit receives force signal according to a characteristic of this return path signal to export one
9. non-contact measurement method of communicating signals as claimed in claim 8, wherein this pick-up unit according to this characteristic of this return path signal to export in this this step that receives force signal, also comprise:
A gain and a look-up table according to this return path signal are exported this and are received force signal.
10. non-contact measurement method of communicating signals as claimed in claim 8, wherein this pick-up unit according to this characteristic of this return path signal to export in this this step that receives force signal, also comprise:
Export this according to a phase place of this return path signal and a look-up table and receive force signal.
11. non-contact measurement method of communicating signals as claimed in claim 8 also comprises:
Receive force signal according to this, produce an auxiliary power and give this and take turns the car device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW099144616A TW201226875A (en) | 2010-12-17 | 2010-12-17 | Contactless controlling signal transmission systems and methods for the same |
| TW099144616 | 2010-12-17 |
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| Publication Number | Publication Date |
|---|---|
| CN102542770A true CN102542770A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106119088A Pending CN102542770A (en) | 2010-12-17 | 2010-12-29 | Non-contact measurement signal transmission system and method thereof |
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|---|---|
| US (1) | US8720285B2 (en) |
| CN (1) | CN102542770A (en) |
| TW (1) | TW201226875A (en) |
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| CN103531011A (en) * | 2013-10-31 | 2014-01-22 | 清华大学 | Pulse signal non-contact transmission device of mini-sized rotating sensor/transducer |
| CN104426568A (en) * | 2013-09-05 | 2015-03-18 | 波音公司 | Integrated antenna transceiver for sensor and data transmission on rotating shafts |
| CN105300454A (en) * | 2015-11-13 | 2016-02-03 | 武汉理工大学 | Coal cutter online state monitoring system |
| CN105793152A (en) * | 2014-01-20 | 2016-07-20 | 日立汽车系统株式会社 | Rotating body noncontact power feeding device and torque sensor |
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| ITPD20130279A1 (en) * | 2013-10-08 | 2015-04-09 | Claudio Tiso | EXCHANGE DEVICE FOR TRANSMISSION REPORTS FOR BICYCLES |
| CN103558778B (en) * | 2013-11-01 | 2016-08-17 | 深圳乐行天下科技有限公司 | The condition detection method of a kind of two-wheeled balance car and system |
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| CN104426568B (en) * | 2013-09-05 | 2018-05-08 | 波音公司 | The antenna integrated transceiver and its data transmission method of sensor in rotation axis |
| CN103531011A (en) * | 2013-10-31 | 2014-01-22 | 清华大学 | Pulse signal non-contact transmission device of mini-sized rotating sensor/transducer |
| CN103531011B (en) * | 2013-10-31 | 2017-07-18 | 清华大学 | The pulse signal non-contact transmission device of miniature rotation sensors/transducers |
| CN105793152A (en) * | 2014-01-20 | 2016-07-20 | 日立汽车系统株式会社 | Rotating body noncontact power feeding device and torque sensor |
| CN105793152B (en) * | 2014-01-20 | 2018-07-13 | 日立汽车系统株式会社 | Rotary body contactless power supply device and torque sensor |
| CN105300454A (en) * | 2015-11-13 | 2016-02-03 | 武汉理工大学 | Coal cutter online state monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201226875A (en) | 2012-07-01 |
| US8720285B2 (en) | 2014-05-13 |
| US20120152035A1 (en) | 2012-06-21 |
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